curl --location --request POST 'https://saas-open.vhall.com/v3/webinars/subject/delete' \
--header 'platform;' \
--form 'subject_ids=""' \
--form 'user_id=""' \
--form 'app_key=""' \
--form 'sign_type=""' \
--form 'signed_at=""' \
--form 'sign=""'
{
"code": "200",
"msg": "success",
"data": {}
}